A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.
History

Thu, 12 Feb 2026 11:30:00 +0000

Type Values Removed Values Added
First Time appeared Amd
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 9000hx Series Mobile Processors
Amd ryzen Embedded 7000 Series Processors
Vendors & Products Amd
Amd ryzen 5000 Series Desktop Processors
Amd ryzen 7000 Series Desktop Processors
Amd ryzen 7040 Series Mobile Processors With Radeon Graphics
Amd ryzen 9000hx Series Mobile Processors
Amd ryzen Embedded 7000 Series Processors

Tue, 10 Feb 2026 21:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 10 Feb 2026 20:00:00 +0000

Type Values Removed Values Added
Description A Time-of-check time-of-use (TOCTOU) race condition in the SMM communications buffer could allow a privileged attacker to bypass input validation and perform an out of bounds read or write, potentially resulting in loss of confidentiality, integrity, or availability.
Weaknesses CWE-367
References
Metrics cvssV4_0

{'score': 4.6, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: AMD

Published: 2026-02-10T19:50:06.871Z

Updated: 2026-02-10T20:43:15.862Z

Reserved: 2024-05-23T19:44:32.296Z

Link: CVE-2024-36311

cve-icon Vulnrichment

Updated: 2026-02-10T20:43:04.597Z

cve-icon NVD

Status : Awaiting Analysis

Published: 2026-02-10T20:16:42.687

Modified: 2026-02-10T21:51:48.077

Link: CVE-2024-36311

cve-icon Redhat

No data.